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linux/drivers/net/wireless/rtlwifi/rtl8723com/phy_common.c
Larry Finger 0a168b48cd rtlwifi: rtl8723ae: rtl8723-common: Create new driver for common code 
The drivers for RTL8723AE and RTL8723BE have some code in common.
This commit creates a driver for this code that will be shared, and
copies those common routines from rtl8723ae's phy code.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-04 13:19:37 -05:00

435 lines
14 KiB
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/******************************************************************************
*
* Copyright(c) 2009-2014 Realtek Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* The full GNU General Public License is included in this distribution in the
* file called LICENSE.
*
* Contact Information:
* wlanfae <wlanfae@realtek.com>
* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
* Hsinchu 300, Taiwan.
*
* Larry Finger <Larry.Finger@lwfinger.net>
*
*****************************************************************************/
#include "../wifi.h"
#include "phy_common.h"
#include "../rtl8723ae/reg.h"
#include <linux/module.h>
/* These routines are common to RTL8723AE and RTL8723bE */
u32 rtl8723_phy_query_bb_reg(struct ieee80211_hw *hw,
u32 regaddr, u32 bitmask)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u32 returnvalue, originalvalue, bitshift;
RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
"regaddr(%#x), bitmask(%#x)\n", regaddr, bitmask);
originalvalue = rtl_read_dword(rtlpriv, regaddr);
bitshift = rtl8723_phy_calculate_bit_shift(bitmask);
returnvalue = (originalvalue & bitmask) >> bitshift;
RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
"BBR MASK = 0x%x Addr[0x%x]= 0x%x\n",
bitmask, regaddr, originalvalue);
return returnvalue;
}
EXPORT_SYMBOL_GPL(rtl8723_phy_query_bb_reg);
void rtl8723_phy_set_bb_reg(struct ieee80211_hw *hw, u32 regaddr,
u32 bitmask, u32 data)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u32 originalvalue, bitshift;
RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
"regaddr(%#x), bitmask(%#x), data(%#x)\n",
regaddr, bitmask, data);
if (bitmask != MASKDWORD) {
originalvalue = rtl_read_dword(rtlpriv, regaddr);
bitshift = rtl8723_phy_calculate_bit_shift(bitmask);
data = ((originalvalue & (~bitmask)) | (data << bitshift));
}
rtl_write_dword(rtlpriv, regaddr, data);
RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
"regaddr(%#x), bitmask(%#x), data(%#x)\n",
regaddr, bitmask, data);
}
EXPORT_SYMBOL_GPL(rtl8723_phy_set_bb_reg);
u32 rtl8723_phy_calculate_bit_shift(u32 bitmask)
{
u32 i;
for (i = 0; i <= 31; i++) {
if (((bitmask >> i) & 0x1) == 1)
break;
}
return i;
}
EXPORT_SYMBOL_GPL(rtl8723_phy_calculate_bit_shift);
u32 rtl8723_phy_rf_serial_read(struct ieee80211_hw *hw,
enum radio_path rfpath, u32 offset)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_phy *rtlphy = &(rtlpriv->phy);
struct bb_reg_def *pphyreg = &rtlphy->phyreg_def[rfpath];
u32 newoffset;
u32 tmplong, tmplong2;
u8 rfpi_enable = 0;
u32 retvalue;
offset &= 0xff;
newoffset = offset;
if (RT_CANNOT_IO(hw)) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "return all one\n");
return 0xFFFFFFFF;
}
tmplong = rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2, MASKDWORD);
if (rfpath == RF90_PATH_A)
tmplong2 = tmplong;
else
tmplong2 = rtl_get_bbreg(hw, pphyreg->rfhssi_para2, MASKDWORD);
tmplong2 = (tmplong2 & (~BLSSIREADADDRESS)) |
(newoffset << 23) | BLSSIREADEDGE;
rtl_set_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2, MASKDWORD,
tmplong & (~BLSSIREADEDGE));
mdelay(1);
rtl_set_bbreg(hw, pphyreg->rfhssi_para2, MASKDWORD, tmplong2);
mdelay(2);
if (rfpath == RF90_PATH_A)
rfpi_enable = (u8) rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER1,
BIT(8));
else if (rfpath == RF90_PATH_B)
rfpi_enable = (u8) rtl_get_bbreg(hw, RFPGA0_XB_HSSIPARAMETER1,
BIT(8));
if (rfpi_enable)
retvalue = rtl_get_bbreg(hw, pphyreg->rf_rbpi,
BLSSIREADBACKDATA);
else
retvalue = rtl_get_bbreg(hw, pphyreg->rf_rb,
BLSSIREADBACKDATA);
RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
"RFR-%d Addr[0x%x]= 0x%x\n",
rfpath, pphyreg->rf_rb, retvalue);
return retvalue;
}
EXPORT_SYMBOL_GPL(rtl8723_phy_rf_serial_read);
void rtl8723_phy_rf_serial_write(struct ieee80211_hw *hw,
enum radio_path rfpath,
u32 offset, u32 data)
{
u32 data_and_addr;
u32 newoffset;
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_phy *rtlphy = &(rtlpriv->phy);
struct bb_reg_def *pphyreg = &rtlphy->phyreg_def[rfpath];
if (RT_CANNOT_IO(hw)) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "stop\n");
return;
}
offset &= 0xff;
newoffset = offset;
data_and_addr = ((newoffset << 20) | (data & 0x000fffff)) & 0x0fffffff;
rtl_set_bbreg(hw, pphyreg->rf3wire_offset, MASKDWORD, data_and_addr);
RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
"RFW-%d Addr[0x%x]= 0x%x\n", rfpath,
pphyreg->rf3wire_offset, data_and_addr);
}
EXPORT_SYMBOL_GPL(rtl8723_phy_rf_serial_write);
long rtl8723_phy_txpwr_idx_to_dbm(struct ieee80211_hw *hw,
enum wireless_mode wirelessmode,
u8 txpwridx)
{
long offset;
long pwrout_dbm;
switch (wirelessmode) {
case WIRELESS_MODE_B:
offset = -7;
break;
case WIRELESS_MODE_G:
case WIRELESS_MODE_N_24G:
default:
offset = -8;
break;
}
pwrout_dbm = txpwridx / 2 + offset;
return pwrout_dbm;
}
EXPORT_SYMBOL_GPL(rtl8723_phy_txpwr_idx_to_dbm);
void rtl8723_phy_init_bb_rf_reg_def(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_phy *rtlphy = &(rtlpriv->phy);
rtlphy->phyreg_def[RF90_PATH_A].rfintfs = RFPGA0_XAB_RFINTERFACESW;
rtlphy->phyreg_def[RF90_PATH_B].rfintfs = RFPGA0_XAB_RFINTERFACESW;
rtlphy->phyreg_def[RF90_PATH_C].rfintfs = RFPGA0_XCD_RFINTERFACESW;
rtlphy->phyreg_def[RF90_PATH_D].rfintfs = RFPGA0_XCD_RFINTERFACESW;
rtlphy->phyreg_def[RF90_PATH_A].rfintfi = RFPGA0_XAB_RFINTERFACERB;
rtlphy->phyreg_def[RF90_PATH_B].rfintfi = RFPGA0_XAB_RFINTERFACERB;
rtlphy->phyreg_def[RF90_PATH_C].rfintfi = RFPGA0_XCD_RFINTERFACERB;
rtlphy->phyreg_def[RF90_PATH_D].rfintfi = RFPGA0_XCD_RFINTERFACERB;
rtlphy->phyreg_def[RF90_PATH_A].rfintfo = RFPGA0_XA_RFINTERFACEOE;
rtlphy->phyreg_def[RF90_PATH_B].rfintfo = RFPGA0_XB_RFINTERFACEOE;
rtlphy->phyreg_def[RF90_PATH_A].rfintfe = RFPGA0_XA_RFINTERFACEOE;
rtlphy->phyreg_def[RF90_PATH_B].rfintfe = RFPGA0_XB_RFINTERFACEOE;
rtlphy->phyreg_def[RF90_PATH_A].rf3wire_offset =
RFPGA0_XA_LSSIPARAMETER;
rtlphy->phyreg_def[RF90_PATH_B].rf3wire_offset =
RFPGA0_XB_LSSIPARAMETER;
rtlphy->phyreg_def[RF90_PATH_A].rflssi_select = rFPGA0_XAB_RFPARAMETER;
rtlphy->phyreg_def[RF90_PATH_B].rflssi_select = rFPGA0_XAB_RFPARAMETER;
rtlphy->phyreg_def[RF90_PATH_C].rflssi_select = rFPGA0_XCD_RFPARAMETER;
rtlphy->phyreg_def[RF90_PATH_D].rflssi_select = rFPGA0_XCD_RFPARAMETER;
rtlphy->phyreg_def[RF90_PATH_A].rftxgain_stage = RFPGA0_TXGAINSTAGE;
rtlphy->phyreg_def[RF90_PATH_B].rftxgain_stage = RFPGA0_TXGAINSTAGE;
rtlphy->phyreg_def[RF90_PATH_C].rftxgain_stage = RFPGA0_TXGAINSTAGE;
rtlphy->phyreg_def[RF90_PATH_D].rftxgain_stage = RFPGA0_TXGAINSTAGE;
rtlphy->phyreg_def[RF90_PATH_A].rfhssi_para1 = RFPGA0_XA_HSSIPARAMETER1;
rtlphy->phyreg_def[RF90_PATH_B].rfhssi_para1 = RFPGA0_XB_HSSIPARAMETER1;
rtlphy->phyreg_def[RF90_PATH_A].rfhssi_para2 = RFPGA0_XA_HSSIPARAMETER2;
rtlphy->phyreg_def[RF90_PATH_B].rfhssi_para2 = RFPGA0_XB_HSSIPARAMETER2;
rtlphy->phyreg_def[RF90_PATH_A].rfsw_ctrl = RFPGA0_XAB_SWITCHCONTROL;
rtlphy->phyreg_def[RF90_PATH_B].rfsw_ctrl = RFPGA0_XAB_SWITCHCONTROL;
rtlphy->phyreg_def[RF90_PATH_C].rfsw_ctrl = RFPGA0_XCD_SWITCHCONTROL;
rtlphy->phyreg_def[RF90_PATH_D].rfsw_ctrl = RFPGA0_XCD_SWITCHCONTROL;
rtlphy->phyreg_def[RF90_PATH_A].rfagc_control1 = ROFDM0_XAAGCCORE1;
rtlphy->phyreg_def[RF90_PATH_B].rfagc_control1 = ROFDM0_XBAGCCORE1;
rtlphy->phyreg_def[RF90_PATH_C].rfagc_control1 = ROFDM0_XCAGCCORE1;
rtlphy->phyreg_def[RF90_PATH_D].rfagc_control1 = ROFDM0_XDAGCCORE1;
rtlphy->phyreg_def[RF90_PATH_A].rfagc_control2 = ROFDM0_XAAGCCORE2;
rtlphy->phyreg_def[RF90_PATH_B].rfagc_control2 = ROFDM0_XBAGCCORE2;
rtlphy->phyreg_def[RF90_PATH_C].rfagc_control2 = ROFDM0_XCAGCCORE2;
rtlphy->phyreg_def[RF90_PATH_D].rfagc_control2 = ROFDM0_XDAGCCORE2;
rtlphy->phyreg_def[RF90_PATH_A].rfrxiq_imbal = ROFDM0_XARXIQIMBALANCE;
rtlphy->phyreg_def[RF90_PATH_B].rfrxiq_imbal = ROFDM0_XBRXIQIMBALANCE;
rtlphy->phyreg_def[RF90_PATH_C].rfrxiq_imbal = ROFDM0_XCRXIQIMBANLANCE;
rtlphy->phyreg_def[RF90_PATH_D].rfrxiq_imbal = ROFDM0_XDRXIQIMBALANCE;
rtlphy->phyreg_def[RF90_PATH_A].rfrx_afe = ROFDM0_XARXAFE;
rtlphy->phyreg_def[RF90_PATH_B].rfrx_afe = ROFDM0_XBRXAFE;
rtlphy->phyreg_def[RF90_PATH_C].rfrx_afe = ROFDM0_XCRXAFE;
rtlphy->phyreg_def[RF90_PATH_D].rfrx_afe = ROFDM0_XDRXAFE;
rtlphy->phyreg_def[RF90_PATH_A].rftxiq_imbal = ROFDM0_XATXIQIMBALANCE;
rtlphy->phyreg_def[RF90_PATH_B].rftxiq_imbal = ROFDM0_XBTXIQIMBALANCE;
rtlphy->phyreg_def[RF90_PATH_C].rftxiq_imbal = ROFDM0_XCTXIQIMBALANCE;
rtlphy->phyreg_def[RF90_PATH_D].rftxiq_imbal = ROFDM0_XDTXIQIMBALANCE;
rtlphy->phyreg_def[RF90_PATH_A].rftx_afe = ROFDM0_XATXAFE;
rtlphy->phyreg_def[RF90_PATH_B].rftx_afe = ROFDM0_XBTXAFE;
rtlphy->phyreg_def[RF90_PATH_C].rftx_afe = ROFDM0_XCTXAFE;
rtlphy->phyreg_def[RF90_PATH_D].rftx_afe = ROFDM0_XDTXAFE;
rtlphy->phyreg_def[RF90_PATH_A].rf_rb = RFPGA0_XA_LSSIREADBACK;
rtlphy->phyreg_def[RF90_PATH_B].rf_rb = RFPGA0_XB_LSSIREADBACK;
rtlphy->phyreg_def[RF90_PATH_C].rf_rb = RFPGA0_XC_LSSIREADBACK;
rtlphy->phyreg_def[RF90_PATH_D].rf_rb = RFPGA0_XD_LSSIREADBACK;
rtlphy->phyreg_def[RF90_PATH_A].rf_rbpi = TRANSCEIVEA_HSPI_READBACK;
rtlphy->phyreg_def[RF90_PATH_B].rf_rbpi = TRANSCEIVEB_HSPI_READBACK;
}
EXPORT_SYMBOL_GPL(rtl8723_phy_init_bb_rf_reg_def);
bool rtl8723_phy_set_sw_chnl_cmdarray(struct swchnlcmd *cmdtable,
u32 cmdtableidx,
u32 cmdtablesz,
enum swchnlcmd_id cmdid,
u32 para1, u32 para2,
u32 msdelay)
{
struct swchnlcmd *pcmd;
if (cmdtable == NULL) {
RT_ASSERT(false, "cmdtable cannot be NULL.\n");
return false;
}
if (cmdtableidx >= cmdtablesz)
return false;
pcmd = cmdtable + cmdtableidx;
pcmd->cmdid = cmdid;
pcmd->para1 = para1;
pcmd->para2 = para2;
pcmd->msdelay = msdelay;
return true;
}
EXPORT_SYMBOL_GPL(rtl8723_phy_set_sw_chnl_cmdarray);
void rtl8723_phy_path_a_fill_iqk_matrix(struct ieee80211_hw *hw,
bool iqk_ok,
long result[][8],
u8 final_candidate,
bool btxonly)
{
u32 oldval_0, x, tx0_a, reg;
long y, tx0_c;
if (final_candidate == 0xFF) {
return;
} else if (iqk_ok) {
oldval_0 = (rtl_get_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
MASKDWORD) >> 22) & 0x3FF;
x = result[final_candidate][0];
if ((x & 0x00000200) != 0)
x = x | 0xFFFFFC00;
tx0_a = (x * oldval_0) >> 8;
rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE, 0x3FF, tx0_a);
rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, BIT(31),
((x * oldval_0 >> 7) & 0x1));
y = result[final_candidate][1];
if ((y & 0x00000200) != 0)
y = y | 0xFFFFFC00;
tx0_c = (y * oldval_0) >> 8;
rtl_set_bbreg(hw, ROFDM0_XCTXAFE, 0xF0000000,
((tx0_c & 0x3C0) >> 6));
rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE, 0x003F0000,
(tx0_c & 0x3F));
rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, BIT(29),
((y * oldval_0 >> 7) & 0x1));
if (btxonly)
return;
reg = result[final_candidate][2];
rtl_set_bbreg(hw, ROFDM0_XARXIQIMBALANCE, 0x3FF, reg);
reg = result[final_candidate][3] & 0x3F;
rtl_set_bbreg(hw, ROFDM0_XARXIQIMBALANCE, 0xFC00, reg);
reg = (result[final_candidate][3] >> 6) & 0xF;
rtl_set_bbreg(hw, 0xca0, 0xF0000000, reg);
}
}
EXPORT_SYMBOL_GPL(rtl8723_phy_path_a_fill_iqk_matrix);
void rtl8723_save_adda_registers(struct ieee80211_hw *hw, u32 *addareg,
u32 *addabackup, u32 registernum)
{
u32 i;
for (i = 0; i < registernum; i++)
addabackup[i] = rtl_get_bbreg(hw, addareg[i], MASKDWORD);
}
EXPORT_SYMBOL_GPL(rtl8723_save_adda_registers);
void rtl8723_phy_save_mac_registers(struct ieee80211_hw *hw,
u32 *macreg, u32 *macbackup)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u32 i;
for (i = 0; i < (IQK_MAC_REG_NUM - 1); i++)
macbackup[i] = rtl_read_byte(rtlpriv, macreg[i]);
macbackup[i] = rtl_read_dword(rtlpriv, macreg[i]);
}
EXPORT_SYMBOL_GPL(rtl8723_phy_save_mac_registers);
void rtl8723_phy_reload_adda_registers(struct ieee80211_hw *hw,
u32 *addareg, u32 *addabackup,
u32 regiesternum)
{
u32 i;
for (i = 0; i < regiesternum; i++)
rtl_set_bbreg(hw, addareg[i], MASKDWORD, addabackup[i]);
}
EXPORT_SYMBOL_GPL(rtl8723_phy_reload_adda_registers);
void rtl8723_phy_reload_mac_registers(struct ieee80211_hw *hw,
u32 *macreg, u32 *macbackup)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u32 i;
for (i = 0; i < (IQK_MAC_REG_NUM - 1); i++)
rtl_write_byte(rtlpriv, macreg[i], (u8) macbackup[i]);
rtl_write_dword(rtlpriv, macreg[i], macbackup[i]);
}
EXPORT_SYMBOL_GPL(rtl8723_phy_reload_mac_registers);
void rtl8723_phy_path_adda_on(struct ieee80211_hw *hw, u32 *addareg,
bool is_patha_on, bool is2t)
{
u32 pathon;
u32 i;
pathon = is_patha_on ? 0x04db25a4 : 0x0b1b25a4;
if (!is2t) {
pathon = 0x0bdb25a0;
rtl_set_bbreg(hw, addareg[0], MASKDWORD, 0x0b1b25a0);
} else {
rtl_set_bbreg(hw, addareg[0], MASKDWORD, pathon);
}
for (i = 1; i < IQK_ADDA_REG_NUM; i++)
rtl_set_bbreg(hw, addareg[i], MASKDWORD, pathon);
}
EXPORT_SYMBOL_GPL(rtl8723_phy_path_adda_on);
void rtl8723_phy_mac_setting_calibration(struct ieee80211_hw *hw,
u32 *macreg, u32 *macbackup)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u32 i = 0;
rtl_write_byte(rtlpriv, macreg[i], 0x3F);
for (i = 1; i < (IQK_MAC_REG_NUM - 1); i++)
rtl_write_byte(rtlpriv, macreg[i],
(u8) (macbackup[i] & (~BIT(3))));
rtl_write_byte(rtlpriv, macreg[i], (u8) (macbackup[i] & (~BIT(5))));
}
EXPORT_SYMBOL_GPL(rtl8723_phy_mac_setting_calibration);
void rtl8723_phy_path_a_standby(struct ieee80211_hw *hw)
{
rtl_set_bbreg(hw, 0xe28, MASKDWORD, 0x0);
rtl_set_bbreg(hw, 0x840, MASKDWORD, 0x00010000);
rtl_set_bbreg(hw, 0xe28, MASKDWORD, 0x80800000);
}
EXPORT_SYMBOL_GPL(rtl8723_phy_path_a_standby);
void rtl8723_phy_pi_mode_switch(struct ieee80211_hw *hw, bool pi_mode)
{
u32 mode;
mode = pi_mode ? 0x01000100 : 0x01000000;
rtl_set_bbreg(hw, 0x820, MASKDWORD, mode);
rtl_set_bbreg(hw, 0x828, MASKDWORD, mode);
}
EXPORT_SYMBOL_GPL(rtl8723_phy_pi_mode_switch);
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